1
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Bayat P, Meek KM, Movafagh M, Cranston ED, Cunningham MF, Champagne P, Morse T, Kiriakou MV, George SR, Dubé MA. The Effect of Cellulose Nanocrystal Reassembly on Latex-Based Pressure-Sensitive Adhesive Performance. Biomacromolecules 2024; 25:3018-3032. [PMID: 38648261 DOI: 10.1021/acs.biomac.4c00138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Different cellulose nanocrystal (CNC) forms (dried vs never-dried) can lead to different degrees of CNC reassembly, the formation of nanofibril-like structures, in nanocomposite latex-based pressure-sensitive adhesive (PSA) formulations. CNC reassembly is also affected by CNC sonication and loading as well as the protocol used for CNC addition to the polymerization. In this study, carboxylated CNCs (cCNCs) were incorporated into a seeded, semibatch, 2-ethylhexyl acrylate/methyl methacrylate/styrene emulsion polymerization and cast as pressure-sensitive adhesive (PSA) films. The addition of CNCs led to a simultaneous increase in tack strength, peel strength, and shear adhesion, avoiding the typical trade-off between the adhesive and cohesive strength. Increased CNC reassembly resulted from the use of dried, redispersed, and sonicated cCNCs, along with increased cCNC loading and addition of the cCNCs at the seed stage of the polymerization. The increased degree of CNC reassembly was shown to significantly increase the shear adhesion by enhancing the elastic modulus of the PSA films.
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Affiliation(s)
- Parisa Bayat
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Kelly M Meek
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Maryam Movafagh
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Emily D Cranston
- Department of Wood Science and Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Michael F Cunningham
- Department of Chemical Engineering, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Pascale Champagne
- Energy Mining & Environment Research Centre, National Research Council, Montreal, Quebec H4P 2R2, Canada
| | | | | | - Sean R George
- BASF Corp., Charlotte, North Carolina 28273, United States
| | - Marc A Dubé
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
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2
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Liu Y, Wu Q, Zhang J, Yan W, Mao X. Food emulsions stabilized by proteins and emulsifiers: A review of the mechanistic explorations. Int J Biol Macromol 2024; 261:129795. [PMID: 38290641 DOI: 10.1016/j.ijbiomac.2024.129795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/27/2023] [Accepted: 01/25/2024] [Indexed: 02/01/2024]
Abstract
The stability of food emulsions is the basis for other properties. During their production and processing, emulsions tend to become unstable due to their thermodynamic instability, and it is usually necessary to add emulsifiers and proteins to stabilize emulsions. It becomes crucial to study the intrinsic mechanisms of emulsifiers and proteins and their joint stabilization of food emulsions. This paper summarizes the research on intrinsic mechanisms of food emulsions stabilized by emulsifiers and proteins in recent years. The destabilization and stabilization of emulsions are related to the added surfactants. The properties, type, and concentration of emulsifiers determine the stability of emulsions, and the emulsifiers can be classified into different types (e.g., ionic or nonionic, solid or liquid) according to their properties and sources. The physicochemical properties of proteins (e.g., spatial conformation, hydrophobicity) and the composition of proteins can also determine the stability of emulsions, and emulsions stabilized by emulsifiers and proteins together not only depend on these factors but also have a great relationship with the mutual combination and competition between the two. The instability and stability of emulsions are related to factors such as interfacial interaction forces, the rheological nature of the interface, and the added surfactant.
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Affiliation(s)
- Yuqing Liu
- School of Food Science and Technology, Shihezi University, Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China
| | - Qingzhi Wu
- School of Food Science and Technology, Shihezi University, Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China
| | - Jian Zhang
- School of Food Science and Technology, Shihezi University, Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China
| | - Wenbo Yan
- School of Food Science and Technology, Shihezi University, Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China
| | - Xiaoying Mao
- School of Food Science and Technology, Shihezi University, Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China.
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3
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Antoniw JM, Hallman MT, Kiriakou MV, Morse T, Cranston ED. Colloidal Stability Window for Carboxylated Cellulose Nanocrystals: Considerations for Handling, Characterization, and Formulation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:10321-10334. [PMID: 37459396 DOI: 10.1021/acs.langmuir.3c00319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
The scale of production of cellulose nanocrystals (CNCs) has increased dramatically to meet the growing demand for sustainably sourced materials. This work defines the colloidal stability window for commercially produced carboxylated CNCs (DextraCel) compared to the more traditional sulfated CNCs. Phase diagrams showing the stable, reversibly agglomerated, irreversibly aggregated/sedimented, and colloidal glass "zones" as a function of suspension pH, ionic strength, CNC surface charge content, counterion, and concentration are presented. The pKa of carboxylated CNCs was measured to be 5.1, and suspensions of carboxylated CNCs (0.5-1.5 wt %) were visually stable from pH 3 to 11 (without salt). Carboxylated CNCs were highly sensitive to ionic strength, demonstrating some agglomeration with as little as 5 mM NaCl, supporting that weak acid surface groups and lower charge contents make CNCs more sensitive to solution conditions. Surface charge content had the greatest influence on colloidal stability followed by the counterion; carboxylated CNCs were more stable in the "as-received" sodium form, whereas sulfated CNCs had improved stability in acid form after ion exchange. The stability of carboxylated CNCs with industrially relevant additives (ionic and nonionic surfactants and initiators) was also investigated. Less concentrated suspensions were more colloidally stable, emphasizing that characterization and processing of CNCs favor dilute conditions. If carboxylated CNCs are subjected to conditions outside of their colloidal stability window, simple dilution or pH adjustment does not return them to colloidally stable discrete nanoparticles; however, ultrasonication can redisperse agglomerates. This study offers guidelines for handling carboxylated CNCs to broaden the range of products that can be improved by their incorporation.
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Affiliation(s)
- Julia M Antoniw
- Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
| | - Madeleine T Hallman
- Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
| | | | | | - Emily D Cranston
- Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
- Department of Wood Science, University of British Columbia, Vancouver, British Columbia, CanadaV6T 1Z3
- UBC Bioproducts Institute, 2385 East Mall, Vancouver, British Columbia, Canada V6T 1Z4
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4
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Ganjeh-Anzabi P, Jahandideh H, Kedzior SA, Trifkovic M. Precise quantification of nanoparticle surface free energy via colloidal probe atomic force microscopy. J Colloid Interface Sci 2023; 641:404-413. [PMID: 36940596 DOI: 10.1016/j.jcis.2023.03.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 02/01/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023]
Abstract
Interfacial interactions of nanoparticles (NPs) in colloids are greatly influenced by the NP surface free energy (SFE). Due to the intrinsic physical and chemical heterogeneity of the NP surface, measuring SFE is nontrivial. The use of direct force measurement methods, such as colloidal probe atomic force microscopy (CP-AFM), have been proven to be effective for the determination of SFE on relatively smooth surfaces, but fail to provide reliable measurements for rough surfaces generated by NPs. Here, we developed a reliable approach to determine the SFE of NPs by adopting Persson's contact theory to include the effect of surface roughness on the measurements in CP-AFM experiments. We obtain the SFE for a range of materials varying in surface roughness and surface chemistry. The reliability of the proposed method is verified by the SFE determination of polystyrene. Subsequently, the SFE of bare and functionalized silica, graphene oxide, and reduced graphene oxide were quantified and validity of the results was demonstrated. The presented method unlocks the potential of CP-AFM as a robust and reliable method of the SFE determination of nanoparticles with a heterogeneous surface, which is challenging to obtain with conventionally implemented experimental techniques.
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Affiliation(s)
- Pejman Ganjeh-Anzabi
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada.
| | - Heidi Jahandideh
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada.
| | - Stephanie A Kedzior
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada.
| | - Milana Trifkovic
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada.
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5
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Yu D, Luo Q, Yang C, Yang C, Li S, Wang Z, Wang Q, Liu W, Wang H, Ji D. Electrostatic complexes of ethyl lauroyl arginate/nano-montmorillonite as a food-grade pickering stabiliser: Emulsification performance and mechanism. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Wang J, Zhang K, Zhang L, Song Z, Shang S, Liu H, Wang D. Preparation and stabilization of Pickering emulsions by cationic cellulose nanocrystals synthesized from deep eutectic solvent. Int J Biol Macromol 2022; 209:1900-1913. [PMID: 35487379 DOI: 10.1016/j.ijbiomac.2022.04.164] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 04/19/2022] [Accepted: 04/22/2022] [Indexed: 12/24/2022]
Abstract
In this work, short rod-like cationic cellulose nanocrystals (AH-CNCs) were prepared by sodium periodate oxidation combined with deep eutectic solvent method. The effects of different content AH-CNCs on the properties of the emulsion were studied. With the increase of AH-CNCs content, the diameter of emulsion droplets decreased and the stabilization time prolonged. The electrostatic attraction between the negative charge accumulated at the oil-water interface and AH-CNCs with positive charge improved the stability of the emulsion. Then, the rheological properties showed the interaction of nanocellulose in the continuous phase increased the viscosity of the emulsion. In addition, the droplet diameter of emulsion of 120 s was smaller at different ultrasonic time, the particle size distribution of emulsion changed from monodisperse to polydisperse with the increase of oil volume, the salt concentration had little effect on the droplet size of emulsion, and the preparation of emulsion under acidic conditions was more stable.
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Affiliation(s)
- Jin Wang
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Key and Open Lab. of Forest Chemical Engineering, SFA, National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, Jiangsu Province, China; Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, People's Republic of China
| | - Kaitao Zhang
- Fiber and Particle Engineering Research Unit University of Oulu, P.O. Box 4300, FI-90014 Oulu, Finland
| | - Lei Zhang
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Key and Open Lab. of Forest Chemical Engineering, SFA, National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, Jiangsu Province, China
| | - Zhanqian Song
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Key and Open Lab. of Forest Chemical Engineering, SFA, National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, Jiangsu Province, China
| | - Shibin Shang
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Key and Open Lab. of Forest Chemical Engineering, SFA, National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, Jiangsu Province, China
| | - He Liu
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Key and Open Lab. of Forest Chemical Engineering, SFA, National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, Jiangsu Province, China
| | - Dan Wang
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Key and Open Lab. of Forest Chemical Engineering, SFA, National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, Jiangsu Province, China.
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7
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Pulingam T, Foroozandeh P, Chuah JA, Sudesh K. Exploring Various Techniques for the Chemical and Biological Synthesis of Polymeric Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:576. [PMID: 35159921 PMCID: PMC8839423 DOI: 10.3390/nano12030576] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/31/2022] [Accepted: 02/06/2022] [Indexed: 12/12/2022]
Abstract
Nanoparticles (NPs) have remarkable properties for delivering therapeutic drugs to the body's targeted cells. NPs have shown to be significantly more efficient as drug delivery carriers than micron-sized particles, which are quickly eliminated by the immune system. Biopolymer-based polymeric nanoparticles (PNPs) are colloidal systems composed of either natural or synthetic polymers and can be synthesized by the direct polymerization of monomers (e.g., emulsion polymerization, surfactant-free emulsion polymerization, mini-emulsion polymerization, micro-emulsion polymerization, and microbial polymerization) or by the dispersion of preformed polymers (e.g., nanoprecipitation, emulsification solvent evaporation, emulsification solvent diffusion, and salting-out). The desired characteristics of NPs and their target applications are determining factors in the choice of method used for their production. This review article aims to shed light on the different methods employed for the production of PNPs and to discuss the effect of experimental parameters on the physicochemical properties of PNPs. Thus, this review highlights specific properties of PNPs that can be tailored to be employed as drug carriers, especially in hospitals for point-of-care diagnostics for targeted therapies.
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Affiliation(s)
| | | | | | - Kumar Sudesh
- Ecobiomaterial Research Laboratory, School of Biological Sciences, Universiti Sains Malaysia, Gelugor 11800, Penang, Malaysia; (T.P.); (P.F.); (J.-A.C.)
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8
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Wang Y, Zhao W, Han M, Guan L, Han L, Hemraj A, Tam KC. Sustainable Superhydrophobic Surface with Tunable Nanoscale Hydrophilicity for Water Harvesting Applications. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yi Wang
- Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario, N2L 3G1 Canada
| | - Weinan Zhao
- Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario, N2L 3G1 Canada
| | - Mei Han
- Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario, N2L 3G1 Canada
| | - Lu Guan
- State Key Laboratory of Heavy Oil Processing Institute of New Energy College of Chemical Engineering China University of Petroleum (East China) Qingdao 266580 China
| | - Lian Han
- Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario, N2L 3G1 Canada
| | - Afraz Hemraj
- Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario, N2L 3G1 Canada
| | - Kam Chiu Tam
- Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario, N2L 3G1 Canada
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9
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Metanawin S, Sornsuwit N, Metanawin T. Miniemulsion polymerization technique enhancement: the photocatalysis of commercial rutile-TiO 2 hybrids with nano poly(methyl methacrylate). POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2021.1953526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Siripan Metanawin
- Department of Textile Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi, Pathum Thani, Thailand
| | - Nuttaphong Sornsuwit
- Department of Materials and Production Technology Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
| | - Tanapak Metanawin
- Department of Materials and Production Technology Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
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10
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Parajuli S, Ureña-Benavides EE. Fundamental aspects of nanocellulose stabilized Pickering emulsions and foams. Adv Colloid Interface Sci 2022; 299:102530. [PMID: 34610863 DOI: 10.1016/j.cis.2021.102530] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 09/15/2021] [Accepted: 09/25/2021] [Indexed: 11/26/2022]
Abstract
Nanocelluloses in recent years have garnered a lot of attention for their use as stabilizers of liquid-liquid and gas-liquid interfaces. Both cellulose nanocrystals (CNCs) and cellulose nanofibers (CNFs) have been used extensively in multiple studies to prepare emulsions and foams. However, there is limited literature available that systematically discusses the mechanisms that affect the ability of nanocelluloses (modified and unmodified) to stabilize different types of interfaces. This review briefly discusses key factors that affect the stability of Pickering emulsions and foams and provides a detailed and systematic analysis of the current state knowledge on factors affecting the stabilization of liquid-liquid and gas-liquid interfaces by nanocelluloses. The review also discusses the effect of nanocellulose surface modifications on mechanisms driving the Pickering stabilization of these interfaces.
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11
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Metanawin S, Metanawin T. Fabrication of hybrid polystyrene–titanium dioxide with enhanced dye degradation and antimicrobial properties: investigation of the effect of triethylene glycol dimethacrylate on photocatalytic activity. POLYM INT 2021. [DOI: 10.1002/pi.6346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Siripan Metanawin
- Department of Textile Engineering, Faculty of Engineering Rajamangala University of Technology Thanyaburi Thanyaburi Thailand
| | - Tanapak Metanawin
- Department of Materials and Production Technology Engineering, Faculty of Engineering King Mongkut's University of Technology North Bangkok Bangkok Thailand
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12
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Wang Y, Zhao W, Han M, Guan L, Han L, Hemraj A, Tam KC. Sustainable Superhydrophobic Surface with Tunable Nanoscale Hydrophilicity for Water Harvesting. Angew Chem Int Ed Engl 2021; 61:e202115238. [PMID: 34936181 DOI: 10.1002/anie.202115238] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Indexed: 11/07/2022]
Abstract
Fog collection can be a sustainable solution to water scarcity in many regions around the world. Recently, great efforts have been undertaken to develop low-cost and highly efficient water collectors to address water shortages, especially in arid regions. However, the design of a scalable water harvesting surface remains elusive to the trade-off between water deposition and transport. Herein, we developed a hydrophilic/superhydrophobic surface using a "one-pot" facile approach to enable an efficient water deposition and transport process. Preferential exposure of hydrophilic cellulose nanocrystal outer surface could be used to accelerate droplet deposition, coupled with wax microspheres with distinct wetting features for the manipulation of the droplet mobility. Appropriate tuning of the wetting characteristics of the surfaces, optimizing the hydrophobicity and density of the water affinity nanodomains allowed us to enhance the water deposition rate without the sacrifice of water transport. An optimal hydrophilic/superhydrophobic topography through the control of nanoscale hydrophilic and hydrophobic domains yielded a water harvesting flux of 3.402 L/m 2 /h for a plate and 5.02 L/m 2 /h for a mesh. This strategy of decorating a superhydrophobic surface with moderately hydrophilic nanodomains allows the manipulation of droplet nucleation and removal to enhance the water collection efficiency.
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Affiliation(s)
- Yi Wang
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Weinan Zhao
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Mei Han
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Lu Guan
- State Key Laboratory of Heavy Oil Processing, Institute of New Energy, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Lian Han
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Afraz Hemraj
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Kam Chiu Tam
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
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13
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Zhang Z, Sèbe G, Hou Y, Wang J, Huang J, Zhou G. Grafting polymers from cellulose nanocrystals via surface‐initiated atom transfer radical polymerization. J Appl Polym Sci 2021. [DOI: 10.1002/app.51458] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Zhen Zhang
- SCNU‐TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics South China Normal University Guangzhou China
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics South China Normal University Guangzhou China
| | - Gilles Sèbe
- Laboratoire de Chimie des Polymères Organiques University of Bordeaux, CNRS, Bordeaux INP Pessac France
| | - Yelin Hou
- Laboratoire de Chimie des Polymères Organiques University of Bordeaux, CNRS, Bordeaux INP Pessac France
| | | | - Jin Huang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft‐Matter Material Chemistry and Function Manufacturing, and “the Belt and Road” International Joint Research Laboratory of Sustainable Materials Southwest University Chongqing China
- School of Chemistry and Chemical Engineering, and Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bintuan Shihezi University Shihezi China
| | - Guofu Zhou
- SCNU‐TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics South China Normal University Guangzhou China
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics South China Normal University Guangzhou China
- Shenzhen Guohua Optoelectronics Tech. Co. Ltd. Shenzhen China
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14
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Xiao X, Chen J, Ling Z, Guo J, Huang J, Ma J, Jin Z. Chiral Nematic Cellulose Nanocrystal Films Cooperated with Amino Acids for Tunable Optical Properties. Polymers (Basel) 2021; 13:polym13244389. [PMID: 34960940 PMCID: PMC8708874 DOI: 10.3390/polym13244389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 11/16/2022] Open
Abstract
The exploration of functional materials relies greatly on the understanding of material structures and nanotechnologies. In the present work, chiral nematic cellulose nanocrystal (CNC) films were prepared by incorporation with four types of amino acids (AAs, glycine, histidine, phenylalanine, and serine) via evaporation-induced self-assembly. The films present ideal iridescence and birefringence that can be tuned by the amount of AAs added. The intercalation of AAs enlarged the pitch values, contributing to the red-shift trend of the reflective wavelength. Among the AAs, serine presented the most compatible intercalation into cellulose crystals. Interestingly, histidine and phenylalanine composite films showed high shielding capabilities of UV light in diverse wavelength regions, exhibiting multi-optical functions. The sustainable preparation of chiral nematic CNC films may provide new strategies for materials production from biocompatible lignocellulose.
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Affiliation(s)
- Xiao Xiao
- Key Lab of Bamboo and Rattan Science & Technology, International Center for Bamboo and Rattan, Beijing 100102, China; (X.X.); (J.M.)
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
| | - Jie Chen
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (J.C.); (J.G.)
| | - Zhe Ling
- Key Lab of Bamboo and Rattan Science & Technology, International Center for Bamboo and Rattan, Beijing 100102, China; (X.X.); (J.M.)
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (J.C.); (J.G.)
- Correspondence: (Z.L.); (Z.J.)
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (J.C.); (J.G.)
| | - Jianbin Huang
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
| | - Jianfeng Ma
- Key Lab of Bamboo and Rattan Science & Technology, International Center for Bamboo and Rattan, Beijing 100102, China; (X.X.); (J.M.)
| | - Zhi Jin
- Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China
- Correspondence: (Z.L.); (Z.J.)
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15
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Rigg A, Champagne P, Cunningham MF. Polysaccharide-Based Nanoparticles as Pickering Emulsifiers in Emulsion Formulations and Heterogenous Polymerization Systems. Macromol Rapid Commun 2021; 43:e2100493. [PMID: 34841604 DOI: 10.1002/marc.202100493] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 10/27/2021] [Indexed: 12/20/2022]
Abstract
Bio-based Pickering emulsifiers are a nontoxic alternative to surfactants in emulsion formulations and heterogenous polymerizations. Recent demand for biocompatible and sustainable formulations has accelerated academic interest in polysaccharide-based nanoparticles as Pickering emulsifiers. Despite the environmental advantages, the inherent hydrophilicity of polysaccharides and their nanoparticles limits efficiency and application range. Modification of the polysaccharide surface is often required in the development of ultrastable, functional, and water-in-oil (W/O) systems. Complex surface modification calls into question the sustainability of polysaccharide-based nanoparticles and is identified as a significant barrier to commercialization. This review summarizes the use of nanocelluloses, -starches, and -chitins as Pickering emulsifiers, highlights trends and best practices in surface modification, and provides recommendations to expedite commercialization.
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Affiliation(s)
- Amanda Rigg
- Department of Chemical Engineering, 19 Division Street, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Pascale Champagne
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, ON, K7L 3N6, Canada.,Institut National de la Recherche Scientifique (INRS), 490 rue de la Couronne, Quebec City, Quebec, G1K 9A9, Canada
| | - Michael F Cunningham
- Department of Chemical Engineering, 19 Division Street, Queen's University, Kingston, ON, K7L 3N6, Canada.,Department of Chemistry, 90 Bader Lane, Queen's University, Kingston, ON, K7L 3N6, Canada
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16
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Pang B, Liu H, Zhang K. Recent progress on Pickering emulsions stabilized by polysaccharides-based micro/nanoparticles. Adv Colloid Interface Sci 2021; 296:102522. [PMID: 34534752 DOI: 10.1016/j.cis.2021.102522] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/16/2021] [Accepted: 09/05/2021] [Indexed: 02/07/2023]
Abstract
Pickering emulsions stabilized by micro/nanoparticles have attracted considerable attention owing to their great potential in various applications ranging from cosmetic and food industries to catalysis, tissue engineering and drug delivery. There is a growing demand to design "green" micro/nanoparticles for constructing stable Pickering emulsions. Micro/nanoparticles derived from the naturally occurring polysaccharides including cellulose, chitin, chitosan and starch are capable of assembling at oil/water interfaces and are promising green candidates because of their excellent biodegradability and renewability. The physicochemical properties of the micro/nanoparticles, which are determined by the fabricating approaches and/or post-modification methods, have a significant effect on the characteristics of the final Pickering emulsions and their applications. Herein, recent advances on Pickering emulsions stabilized by polysaccharides-based micro/nanoparticles and the construction of functional materials including porous foams, microcapsules and latex particles from these emulsions as templates, are reviewed. In particular, the effects of micro/nanoparticles properties on the characteristics of the Pickering emulsions and their applications are discussed. Furthermore, the obstacles that hinder the practical applications of polysaccharides-based micro/nanoparticles and Pickering emulsions as well as the prospects for the future development, are discussed.
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17
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Gabriel VA, Champagne P, Cunningham MF, Dubé MA. In‐situ addition of carboxylated cellulose nanocrystals in seeded semi‐batch emulsion polymerization. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.24299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Vida A. Gabriel
- Department of Chemical and Biological Engineering Centre for Catalysis Research and Innovation, University of Ottawa Ottawa Ontario Canada
| | - Pascale Champagne
- Department of Chemical Engineering Queen's University Kingston Ontario Canada
| | | | - Marc A. Dubé
- Department of Chemical and Biological Engineering Centre for Catalysis Research and Innovation, University of Ottawa Ottawa Ontario Canada
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18
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Pakdel AS, Cranston ED, Dubé MA. Incorporating Hydrophobic Cellulose Nanocrystals inside Latex Particles via Mini‐Emulsion Polymerization. MACROMOL REACT ENG 2021. [DOI: 10.1002/mren.202100023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Amir Saeid Pakdel
- Department of Chemical and Biological Engineering University of Ottawa Ottawa ON K1N 6N5 Canada
| | - Emily D. Cranston
- Department of Wood Science and Department of Chemical and Biological Engineering The University of British Columbia Vancouver BC V6T 1Z4 Canada
| | - Marc A. Dubé
- Department of Chemical and Biological Engineering University of Ottawa Ottawa ON K1N 6N5 Canada
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19
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Kedzior SA, Gabriel VA, Dubé MA, Cranston ED. Nanocellulose in Emulsions and Heterogeneous Water-Based Polymer Systems: A Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2002404. [PMID: 32797718 DOI: 10.1002/adma.202002404] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/25/2020] [Indexed: 06/11/2023]
Abstract
Nanocelluloses (i.e., bacterial nanocellulose, cellulose nanocrystals, and cellulose nanofibrils) are cellulose-based materials with at least one dimension in the nanoscale. These materials have unique and useful properties and have been shown to assemble at oil-water interfaces and impart new functionality to emulsion and latex systems. Herein, the use of nanocellulose in both emulsions and heterogeneous water-based polymers is reviewed, including dispersion, suspension, and emulsion polymerization. Comprehensive tables describe past work employing nanocellulose as stabilizers or additives and the properties that can be tailored through the use of nanocellulose are highlighted. Even at low loadings, nanocellulose offers an unprecedented level of control as a property modifier for a range of emulsion and polymer applications, influencing, for example, emulsion type, stability, and stimuli-responsive behavior. Nanocellulose can tune polymer particle properties such as size, surface charge, and morphology, or be used to produce capsules and polymer nanocomposites with enhanced mechanical, thermal, and adhesive properties. The role of nanocellulose is discussed, and a perspective for future direction is presented.
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Affiliation(s)
- Stephanie A Kedzior
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
| | - Vida A Gabriel
- Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Marc A Dubé
- Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Emily D Cranston
- Department of Wood Science, Department of Chemical & Biological Engineering, University of British Columbia, 2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada
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20
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Li MC, Wu Q, Moon RJ, Hubbe MA, Bortner MJ. Rheological Aspects of Cellulose Nanomaterials: Governing Factors and Emerging Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006052. [PMID: 33870553 DOI: 10.1002/adma.202006052] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 11/01/2020] [Indexed: 05/20/2023]
Abstract
Cellulose nanomaterials (CNMs), mainly including nanofibrillated cellulose (NFC) and cellulose nanocrystals (CNCs), have attained enormous interest due to their sustainability, biodegradability, biocompatibility, nanoscale dimensions, large surface area, facile modification of surface chemistry, as well as unique optical, mechanical, and rheological performance. One of the most fascinating properties of CNMs is their aqueous suspension rheology, i.e., CNMs helping create viscous suspensions with the formation of percolation networks and chemical interactions (e.g., van der Waals forces, hydrogen bonding, electrostatic attraction/repulsion, and hydrophobic attraction). Under continuous shearing, CNMs in an aqueous suspension can align along the flow direction, producing shear-thinning behavior. At rest, CNM suspensions regain some of their initial structure immediately, allowing rapid recovery of rheological properties. These unique flow features enable CNMs to serve as rheological modifiers in a wide range of fluid-based applications. Herein, the dependence of the rheology of CNM suspensions on test protocols, CNM inherent properties, suspension environments, and postprocessing is systematically described. A critical overview of the recent progress on fluid applications of CNMs as rheology modifiers in some emerging industrial sectors is presented as well. Future perspectives in the field are outlined to guide further research and development in using CNMs as the next generation rheological modifiers.
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Affiliation(s)
- Mei-Chun Li
- School of Renewable Natural Resources, Louisiana State University AgCenter, Baton Rouge, LA, 70803, USA
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials science and Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Qinglin Wu
- School of Renewable Natural Resources, Louisiana State University AgCenter, Baton Rouge, LA, 70803, USA
| | - Robert J Moon
- Forest Products Laboratory, USDA Forest Service, Madison, WI, 53726, USA
| | - Martin A Hubbe
- Department of Forest Biomaterials, North Carolina State University, Raleigh, NC, 27695-8005, USA
| | - Michael J Bortner
- Department of Chemical Engineering, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, 24061, USA
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21
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Lu Y, Li J, Ge L, Xie W, Wu D. Pickering emulsion stabilized with fibrous nanocelluloses: Insight into fiber flexibility-emulsifying capacity relations. Carbohydr Polym 2021; 255:117483. [DOI: 10.1016/j.carbpol.2020.117483] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 12/20/2022]
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22
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Pakdel AS, Niinivaara E, Cranston ED, Berry RM, Dubé MA. Cellulose Nanocrystal (CNC)-Latex Nanocomposites: Effect of CNC Hydrophilicity and Charge on Rheological, Mechanical, and Adhesive Properties. Macromol Rapid Commun 2020; 42:e2000448. [PMID: 33047439 DOI: 10.1002/marc.202000448] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/29/2020] [Accepted: 09/29/2020] [Indexed: 12/26/2022]
Abstract
Cellulose nanocrystals (CNCs), a sustainable nanomaterial, are in situ incorporated into emulsion-based pressure-sensitive adhesives (PSAs). Commercially available CNCs with different surface hydrophilicity and surface charge (CNC101 and CNC103 from CelluForce) are used to explore their role in PSA property modification. Viscosity measurements and atomic force microscopy reveal differences in degree of association between the CNCs and the latex particles depending on the surface properties of the CNCs. The more hydrophilic and higher surface charge CNCs (CNC101) show less association with the latex particles. Dynamic strain sweep tests are used to analyze the strain-softening of the nanocomposites based on CNC type and loading. The CNC101 nanocomposites soften at lower strains than their CNC103 counterparts. This behavior is confirmed via dynamic frequency tests and modeling of the nanocomposites' storage moduli, which suggest the formation of CNC aggregates of, on average, 3.8 CNC101 and 1.3 CNC103 nanoparticles. Finally, PSA properties, i.e., tack, peel strength, and shear strength, simultaneously increase upon addition of both CNC types, although to different extents. The relationship between the PSA properties and CNC surface properties confirms that the less hydrophilic CNCs lead to improved CNC dispersion in the PSA films and therefore, enhance PSA properties.
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Affiliation(s)
- Amir Saeid Pakdel
- Department of Chemical and Biological EngineeringCentre for Catalysis Research and Innovation, University of Ottawa, 161 Louis Pasteur Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Elina Niinivaara
- Department of Wood Science, The University of British Columbia, 2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada.,Department of Bioproducts and Biosystems, Aalto University, P.O. Box 16300, FI0076 Aalto, Espoo, 02150, Finland
| | - Emily D Cranston
- Department of Wood Science, The University of British Columbia, 2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada.,Department of Chemical and Biological Engineering, The University of British Columbia, 2360 East Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Richard M Berry
- CelluForce, 625 President Kennedy Ave., Suite 1705, Montreal, QC, H3A 1K2, Canada
| | - Marc A Dubé
- Department of Chemical and Biological EngineeringCentre for Catalysis Research and Innovation, University of Ottawa, 161 Louis Pasteur Pvt., Ottawa, ON, K1N 6N5, Canada
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23
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Thomas P, Duolikun T, Rumjit NP, Moosavi S, Lai CW, Bin Johan MR, Fen LB. Comprehensive review on nanocellulose: Recent developments, challenges and future prospects. J Mech Behav Biomed Mater 2020; 110:103884. [DOI: 10.1016/j.jmbbm.2020.103884] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 04/23/2020] [Accepted: 05/25/2020] [Indexed: 01/26/2023]
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24
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Li DD, Jiang JZ, Cai C. Palladium nanoparticles anchored on amphiphilic Janus-type cellulose nanocrystals for Pickering interfacial catalysis. Chem Commun (Camb) 2020; 56:9396-9399. [PMID: 32676633 DOI: 10.1039/d0cc03892j] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Developing green and sustainable Pickering interfacial catalysts for organic reactions in water is of great importance to both the environment and human health. In this study, Janus-type amphiphilic cellulose nanocrystals (CNCs) were synthesized by the surface modification of hydrophilic CNCs with hydrophobic alkyl chains for efficient Pickering emulsion stabilization. Further deposition of palladium nanoparticles on amphiphilic CNCs provides catalytic activity for organic reactions in water, which occur at the interface of water and the organic reactant phase. Different reactions, hydrogenation and C-C coupling, were performed using the obtained Pickering interfacial catalyst. Excellent results were achieved in both reactions. The catalyst developed in our study is expected to advance the field of environment-friendly catalyst systems for green chemistry.
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Affiliation(s)
- Dan-Dan Li
- Chemical Engineering College, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing 210094, P. R. China.
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25
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Silva CE, Tam KC, Bernardes JS, Loh W. Double stabilization mechanism of O/W Pickering emulsions using cationic nanofibrillated cellulose. J Colloid Interface Sci 2020; 574:207-216. [DOI: 10.1016/j.jcis.2020.04.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/30/2020] [Accepted: 04/01/2020] [Indexed: 12/21/2022]
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26
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Mat Zaid MH, Che-Engku-Chik CEN, Yusof NA, Abdullah J, Othman SS, Issa R, Md Noh MF, Wasoh H. DNA Electrochemical Biosensor Based on Iron Oxide/Nanocellulose Crystalline Composite Modified Screen-Printed Carbon Electrode for Detection of Mycobacterium tuberculosis. Molecules 2020; 25:E3373. [PMID: 32722334 PMCID: PMC7435410 DOI: 10.3390/molecules25153373] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/01/2020] [Accepted: 06/03/2020] [Indexed: 11/16/2022] Open
Abstract
Death from tuberculosis has resulted in an increased need for early detection to prevent a tuberculosis (TB) epidemic, especially in closed and crowded populations. Herein, a sensitive electrochemical DNA biosensor based on functionalized iron oxide with mercaptopropionic acid (MPA-Fe3O4) nanoparticle and nanocellulose crystalline functionalized cetyl trimethyl ammonium bromide (NCC/CTAB) has been fabricated for the detection of Mycobacterium tuberculosis (MTB). In this study, a simple drop cast method was applied to deposit solution of MPA-Fe3O4/NCC/CTAB onto the surface of the screen-printed carbon electrode (SPCE). Then, a specific sequence of MTB DNA probe was immobilized onto a modified SPCE surface by using the 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide/N-hydroxysuccinimide (EDC/NHS) coupling mechanism. For better signal amplification and electrochemical response, ruthenium bipyridyl Ru(bpy)32+ was assigned as labels of hybridization followed by the characteristic test using differential pulse voltammetry (DPV). The results of this biosensor enable the detection of target DNA until a concentration as low as 7.96 × 10-13 M with a wide detection range from 1.0 × 10-6 to 1.0 × 10-12 M. In addition, the developed biosensor has shown a differentiation between positive and negative MTB samples in real sampel analysis.
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Affiliation(s)
- Mohd Hazani Mat Zaid
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia; (M.H.M.Z.); (N.A.Y.); (J.A.)
- Department of chemical sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Che Engku Noramalina Che-Engku-Chik
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
- Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Nor Azah Yusof
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia; (M.H.M.Z.); (N.A.Y.); (J.A.)
- Department of chemical sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Jaafar Abdullah
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia; (M.H.M.Z.); (N.A.Y.); (J.A.)
- Department of chemical sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Siti Sarah Othman
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Rahizan Issa
- Bacteriology Unit, Infectious Disease Research Centre, Institute for Medical Research, Jalan Pahang, Kuala Lumpur 50588, Malaysia;
| | - Mohd Fairulnizal Md Noh
- Cardiovascular Diabetes and Nutrition Research Centre, Institute for Medical Research, Jalan Pahang, Kuala Lumpur 50588, Malaysia;
| | - Helmi Wasoh
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
- Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, Serdang 43400, Malaysia
- Halal Product Research Institute (IPPH), Universiti Putra Malaysia, Serdang 43400, Malaysia
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27
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Niinivaara E, Cranston ED. Bottom-up assembly of nanocellulose structures. Carbohydr Polym 2020; 247:116664. [PMID: 32829792 DOI: 10.1016/j.carbpol.2020.116664] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/04/2020] [Accepted: 06/17/2020] [Indexed: 12/21/2022]
Abstract
Nanocelluloses, both cellulose nanofibrils and cellulose nanocrystals, are gaining research traction due to their viability as key components in commercial applications and industrial processes. Significant efforts have been made to understand both the potential of assembling nanocelluloses, and the limits and prospectives of the resulting structures. This Review focuses on bottom-up techniques used to prepare nanocellulose-only structures, and details the intermolecular and surface forces driving their assembly. Additionally, the interactions that contribute to their structural integrity are discussed along with alternate pathways and suggestions for improved properties. Six categories of nanocellulose structures are presented: (1) powders, beads, and droplets; (2) capsules; (3) continuous fibres; (4) films; (5) hydrogels; and (6) aerogels and dried foams. Although research on nanocellulose assembly often focuses on fundamental science, this Review also provides insight on the potential utilization of such structures in a wide array of applications.
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Affiliation(s)
- Elina Niinivaara
- Department of Wood Science, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada; Department of Bioproducts and Biosystems, Aalto University, P.O. Box 16300, FI-0076 Aalto, Espoo, Finland.
| | - Emily D Cranston
- Department of Wood Science, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada; Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
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28
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Griveau L, Delorme J, Engström J, Dugas PY, Carlmark A, Malmström E, D’Agosto F, Lansalot M. Synergetic Effect of Water-Soluble PEG-Based Macromonomers and Cellulose Nanocrystals for the Stabilization of PMMA Latexes by Surfactant-Free Emulsion Polymerization. Biomacromolecules 2020; 21:4479-4491. [DOI: 10.1021/acs.biomac.0c00439] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Lucie Griveau
- Univ Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bd du 11 Novembre 1918, 69616 Villeurbanne, France
| | - James Delorme
- Univ Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bd du 11 Novembre 1918, 69616 Villeurbanne, France
| | - Joakim Engström
- Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Wallenberg Wood Science Centre, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Pierre-Yves Dugas
- Univ Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bd du 11 Novembre 1918, 69616 Villeurbanne, France
| | - Anna Carlmark
- Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Wallenberg Wood Science Centre, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Eva Malmström
- Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Wallenberg Wood Science Centre, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Franck D’Agosto
- Univ Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bd du 11 Novembre 1918, 69616 Villeurbanne, France
| | - Muriel Lansalot
- Univ Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bd du 11 Novembre 1918, 69616 Villeurbanne, France
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29
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Czakaj A, Kannan A, Wiśniewska A, Grześ G, Krzan M, Warszyński P, Fuller GG. Viscoelastic interfaces comprising of cellulose nanocrystals and lauroyl ethyl arginate for enhanced foam stability. SOFT MATTER 2020; 16:3981-3990. [PMID: 32250379 DOI: 10.1039/c9sm02392e] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Stable aqueous foams composed of oppositely charged nanoparticles and surfactants have recently gained attention. We studied the draining of thin liquid films and the foam stability of aqueous mixtures of food grade cellulose nanocrystals (CNCs) and an oppositely charged surfactant - lauroyl ethyl arginate (LAE). Dynamic fluid film interferometry experiments with the bubble approaching the air/solution interface revealed a two-fold increase of the initial bubble film thickness and a maximum in drainage time at the optimal stoichiometry of LAE and CNC. The temporal evolution of the fluid film shape indicated a large contribution of structural forces to the film stability. The results of single liquid film drainage time and coalescence time experiments were partially correlated with bulk foam stability. With a further increase of LAE concentration, aggregation-induced foam destruction was observed. In the presence of a cationic surfactant, anisotropic and initially hydrophilic cellulose nanocrystals became partially hydrophobized and self-assembled at the interface. Cellulose nanocrystal shape anisotropy and wetting behaviour which have their origins in OH-exposed and buried crystalline planes are the sources of capillary interactions that promote CNC aggregation at planar and curved liquid/air interfaces. Dilatational and shear interfacial rheology experiments confirmed the formation of a highly elastic surfactant-nanoparticle interfacial layer. To the best of our knowledge, this is the first report on foaming properties for this system with fast adsorption kinetics influenced by CNC.
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Affiliation(s)
- Agnieszka Czakaj
- Jerzy Haber Institute of Catalysis and Surface Chemistry PAS, Krakow, Poland.
| | - Aadithya Kannan
- Department of Chemical Engineering, Stanford University, Stanford, USA
| | | | - Gabriela Grześ
- Department of Chemistry, Jagiellonian University, Krakow, Poland
| | - Marcel Krzan
- Jerzy Haber Institute of Catalysis and Surface Chemistry PAS, Krakow, Poland.
| | - Piotr Warszyński
- Jerzy Haber Institute of Catalysis and Surface Chemistry PAS, Krakow, Poland.
| | - Gerald G Fuller
- Department of Chemical Engineering, Stanford University, Stanford, USA
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30
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Combined stabilizers prepared from cellulose nanocrystals and styrene-maleic anhydride to microencapsulate phase change materials. Carbohydr Polym 2020; 234:115923. [DOI: 10.1016/j.carbpol.2020.115923] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 12/25/2019] [Accepted: 01/26/2020] [Indexed: 01/03/2023]
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31
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Le Gars M, Bras J, Salmi-Mani H, Ji M, Dragoe D, Faraj H, Domenek S, Belgacem N, Roger P. Polymerization of glycidyl methacrylate from the surface of cellulose nanocrystals for the elaboration of PLA-based nanocomposites. Carbohydr Polym 2020; 234:115899. [DOI: 10.1016/j.carbpol.2020.115899] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/17/2020] [Accepted: 01/20/2020] [Indexed: 01/28/2023]
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32
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Luo R, Dong J, Li X, Luo Y. Coassembly behavior and kinetics of cellulose nanocrystals and pH-responsive diblock copolymers PMMA-b-PDEAEMA at oil/water interfaces and applied on the liquid tubule formation. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04631-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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33
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Limousin E, Rafaniello I, Schäfer T, Ballard N, Asua JM. Linking Film Structure and Mechanical Properties in Nanocomposite Films Formed from Dispersions of Cellulose Nanocrystals and Acrylic Latexes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:2052-2062. [PMID: 32031814 DOI: 10.1021/acs.langmuir.9b03861] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cellulose nanocrystals (CNCs) are unique, lightweight materials that possess high elastic modulus and tensile strength, making them of great interest in the formation of nanocomposite materials. However, efficient design of the composite material is essential in translating the mechanical properties of the individual CNCs into the nanocomposite film. In this work, we demonstrate the formation of structured CNC/acrylic dispersions by physical blending of the anionic CNCs with charged acrylic latex particles. By blending with large cationic latex particles, the CNCs adsorbed onto the acrylic latex surface while blending with small latex particles led to the inverse structure. Films were cast from these dispersions and the physical properties were compared with the aim of understanding the influence of the initial structure of the hybrid dispersion on the structure of the final film. A significant difference in the mechanical properties was observed based on the position of the CNCs in the initial dispersion. Adsorption of latex particles onto the CNC surface led to a random distribution of nonconnected CNCs, which contributed little to improving the Young's modulus, while adsorption of CNC onto the latex led to a honeycomb CNC network and a large increase in the Young's modulus. This work underlines the importance of particle structure on the structure and mechanical properties of nanostructured films.
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Affiliation(s)
- Elodie Limousin
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa, Tolosa Hiribidea 72, Donostia-San Sebastián 20018, Spain
| | - Iliane Rafaniello
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa, Tolosa Hiribidea 72, Donostia-San Sebastián 20018, Spain
| | - Thomas Schäfer
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa, Tolosa Hiribidea 72, Donostia-San Sebastián 20018, Spain
- Ikerbasque, Basque Foundation for Science, E-48011 Bilbao, Spain
| | - Nicholas Ballard
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa, Tolosa Hiribidea 72, Donostia-San Sebastián 20018, Spain
- Ikerbasque, Basque Foundation for Science, E-48011 Bilbao, Spain
| | - José M Asua
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa, Tolosa Hiribidea 72, Donostia-San Sebastián 20018, Spain
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Nigmatullin R, Johns MA, Muñoz-García JC, Gabrielli V, Schmitt J, Angulo J, Khimyak YZ, Scott JL, Edler KJ, Eichhorn SJ. Hydrophobization of Cellulose Nanocrystals for Aqueous Colloidal Suspensions and Gels. Biomacromolecules 2020; 21:1812-1823. [PMID: 31984728 DOI: 10.1021/acs.biomac.9b01721] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Surface hydrophobization of cellulose nanomaterials has been used in the development of nanofiller-reinforced polymer composites and formulations based on Pickering emulsions. Despite the well-known effect of hydrophobic domains on self-assembly or association of water-soluble polymer amphiphiles, very few studies have addressed the behavior of hydrophobized cellulose nanomaterials in aqueous media. In this study, we investigate the properties of hydrophobized cellulose nanocrystals (CNCs) and their self-assembly and amphiphilic properties in suspensions and gels. CNCs of different hydrophobicity were synthesized from sulfated CNCs by coupling primary alkylamines of different alkyl chain lengths (6, 8, and 12 carbon atoms). The synthetic route permitted the retention of surface charge, ensuring good colloidal stability of hydrophobized CNCs in aqueous suspensions. We compare surface properties (surface charge, ζ potential), hydrophobicity (water contact angle, microenvironment probing using pyrene fluorescence emission), and surface activity (tensiometry) of different hydrophobized CNCs and hydrophilic CNCs. Association of hydrophobized CNCs driven by hydrophobic effects is confirmed by X-ray scattering (SAXS) and autofluorescent spectroscopy experiments. As a result of CNC association, CNC suspensions/gels can be produced with a wide range of rheological properties depending on the hydrophobic/hydrophilic balance. In particular, sol-gel transitions for hydrophobized CNCs occur at lower concentrations than hydrophilic CNCs, and more robust gels are formed by hydrophobized CNCs. Our work illustrates that amphiphilic CNCs can complement associative polymers as modifiers of rheological properties of water-based systems.
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Affiliation(s)
- Rinat Nigmatullin
- Department of Aerospace Engineering, Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, United Kingdom
| | - Marcus A Johns
- Department of Aerospace Engineering, Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, United Kingdom
| | - Juan C Muñoz-García
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Valeria Gabrielli
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Julien Schmitt
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom.,LSFC-Laboratoire de Synthèse et Fonctionnalisation des Céramiques UMR 3080 CNRS/Saint-Gobain CREE, Saint-Gobain Research Provence, 550 Avenue Alphonse Jauffret, Cavaillon 84300, France
| | - Jesús Angulo
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Yaroslav Z Khimyak
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Janet L Scott
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Karen J Edler
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Stephen J Eichhorn
- Department of Aerospace Engineering, Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, United Kingdom
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35
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Bertsch P, Fischer P. Adsorption and interfacial structure of nanocelluloses at fluid interfaces. Adv Colloid Interface Sci 2020; 276:102089. [PMID: 31887576 DOI: 10.1016/j.cis.2019.102089] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 12/17/2019] [Accepted: 12/18/2019] [Indexed: 01/12/2023]
Abstract
Nanocelluloses (NCs), more specifically cellulose nanocrystals and nanofibrils, are a green alternative for the stabilization of fluid interfaces. The adsorption of NCs at oil-water interfaces facilitates the formation of stable and biocompatible Pickering emulsions. In contrast, unmodified NCs are not able to stabilize foams. As a consequence, NCs are often hydrophobized by covalent modifications or adsorption of surfactants, allowing also the stabilization of foams or functional inverse, double, and stimuli-responsive emulsions. Although the interfacial stabilization by NCs is readily exploited, the driving force of adsorption and stabilization mechanisms remained long unclear. Here, we summarize the recent advances in the understanding of NC adsorption regarding kinetics, isotherms, and energetic aspects, as well as their interfacial structure, surface coverage, and contact angle. We thereby distinguish unmodified NCs, covalently modified NCs, and surfactant enhanced adsorption.
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36
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Glasing J, Jessop PG, Champagne P, Hamad WY, Cunningham MF. Microsuspension Polymerization of Styrene Using Cellulose Nanocrystals as Pickering Emulsifiers: On the Evolution of Latex Particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:796-809. [PMID: 31873028 DOI: 10.1021/acs.langmuir.9b03583] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We report a mechanistic study of the microsuspension polymerization of styrene stabilized by cellulose nanocrystals (CNCs) in its native form as well as graft-modified with copolymers of styrene and N-3-(dimethylamino)propyl methacrylamide (DMAPMAm) or N,N-(diethylamino)ethyl methacrylate (DEAEMA). Native CNCs and graft-modified CNCs were shown to form stable styrene emulsions with an average droplet diameter of 18-20 and 5-9 μm, respectively. Initiators of widely varying water solubilities [2,2'-azobisisobutyronitrile (AIBN), 2-2'-azobis(2,4-dimethylvaleronitrile) (Vazo-52), and lauroyl peroxide (LPO)] were employed for the polymerizations. The type of initiator and the type of CNC were shown to directly affect the microsuspension polymerization kinetics, particle size, and molecular weight distribution. Using AIBN and Vazo-52, submicron latex particles were observed in the final latex in addition to the desired 3-20 μm CNC-armored microsuspension particles. The resulting latex and microsuspension polystyrene particles were studied for their CNC coverage and surface charge. We found that the presence of CNCs in the aqueous phase did not lead to Pickering emulsion polymerization by heterogeneous nucleation.
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Affiliation(s)
- Joe Glasing
- Department of Chemical Engineering , Queen's University , 19 Division Street , Kingston , Ontario K7L 3N6 , Canada
| | - Philip G Jessop
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario K7L 3N6 , Canada
| | - Pascale Champagne
- Department of Chemical Engineering , Queen's University , 19 Division Street , Kingston , Ontario K7L 3N6 , Canada
- Department of Civil Engineering , Queen's University , 58 University Avenue , Kingston , Ontario K7L 3N6 , Canada
| | - Wadood Y Hamad
- Transformation and Interfaces Group-Bioproducts ICE FPInnovations , 2665 East Mall , Vancouver , British Columbia V6T 1Z4 , Canada
| | - Michael F Cunningham
- Department of Chemical Engineering , Queen's University , 19 Division Street , Kingston , Ontario K7L 3N6 , Canada
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario K7L 3N6 , Canada
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37
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Jiang Y, Zhang Y, Ding L, De La Cruz JA, Wang B, Feng X, Chen Z, Mao Z, Sui X. Regenerated cellulose-dispersed polystyrene composites enabled via Pickering emulsion polymerization. Carbohydr Polym 2019; 223:115079. [DOI: 10.1016/j.carbpol.2019.115079] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/11/2019] [Accepted: 07/11/2019] [Indexed: 12/14/2022]
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38
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Reid MS, Erlandsson J, Wågberg L. Interfacial Polymerization of Cellulose Nanocrystal Polyamide Janus Nanocomposites with Controlled Architectures. ACS Macro Lett 2019; 8:1334-1340. [PMID: 35651153 DOI: 10.1021/acsmacrolett.9b00692] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The widespread use of renewable nanomaterials has been limited due to poor integration with conventional polymer matrices. Often, chemical and physical surface modifications are implemented to improve compatibility, however, this comes with environmental and economic cost. This work demonstrates that renewable nanomaterials, specifically cellulose nanocrystals (CNCs), can be utilized in their unmodified state and presents a simple and versatile, one-step method to produce polyamide/CNC nanocomposites with unique Janus-like properties. Nanocomposites in the form of films, fibers, and capsules are prepared by dispersing as-prepared CNCs in the aqueous phase prior to the interfacial polymerization of aromatic diamines and acyl chlorides. The diamines in the aqueous phase not only serve as a monomer for polymerization, but additionally, adsorb to and promote the incorporation of CNCs into the nanocomposite. Regardless of the architecture, CNCs are only present along the surface facing the aqueous phase, resulting in materials with unique, Janus-like wetting behavior and potential applications in filtration, separations, drug delivery, and advanced fibers.
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39
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Parajuli S, Dorris AL, Middleton C, Rodriguez A, Haver MO, Hammer NI, Ureña-Benavides E. Surface and Interfacial Interactions in Dodecane/Brine Pickering Emulsions Stabilized by the Combination of Cellulose Nanocrystals and Emulsifiers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:12061-12070. [PMID: 31429576 DOI: 10.1021/acs.langmuir.9b01218] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Interfacial properties of cellulose nanocrystals (CNC) and surfactants were studied in high ionic strength (I) brines and correlated to the stability of dodecane/brine Pickering emulsions. Bis-(2-hydroxyethyl) cocoalkylamine (CAA), dodecyltrimethylammonium bromide (DTAB), and octyl-β-d-glucopyranoside (OGP) were adsorbed onto CNC in American Petroleum Institute (API) brine (I = 1.9 M) and synthetic seawater (SSW), with I = 0.65 M. Raman spectroscopy indicated that hydroxyl groups on the CNC surface interact with all three surfactants in high ionic strength media. Ionic interactions still play a role at the very large ionic strengths studied herein. Despite all surfactants adsorbing onto CNC, only the surface tension of CAA solutions in both brines was increased by the addition of 0.5 wt % CNC. The effect was much more prominent in API than in SSW. Contact angle measurements indicated that CAA increased the wettability of CNC by both brines in dodecane; DTAB, on the other hand, decreased wettability. Emulsion stability studies revealed that ionic strength, wettability, adsorption energy, and oil content strongly affect emulsion stability, more so than surfactant adsorption. In API, CNC aggregates alone stabilized the emulsions better compared to samples with additional emulsifiers; the same was true in SSW for oil contents below 50% v/v. For oil contents above 50% v/v in SSW, CAA was either detrimental or failed to improve emulsion stability. On the other hand, DTAB increased the stability of dodecane in SSW emulsions. Emulsions stable for over 21 months were prepared with oil contents of 75% v/v. The adsorption of CAA onto CNC limits the migration of both CNC and CAA to the dodecane/brine interface, while DTAB adsorption has the opposite effect.
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40
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The interface adsorption behavior in a Pickering emulsion stabilized by cylindrical polystyrene particles. J Colloid Interface Sci 2019; 552:230-235. [DOI: 10.1016/j.jcis.2019.05.058] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/17/2019] [Accepted: 05/19/2019] [Indexed: 01/01/2023]
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41
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42
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Yu Q, Yang W, Wang Q, Dong W, Du M, Ma P. Functionalization of cellulose nanocrystals with γ-MPS and its effect on the adhesive behavior of acrylic pressure sensitive adhesives. Carbohydr Polym 2019; 217:168-177. [DOI: 10.1016/j.carbpol.2019.04.049] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 03/26/2019] [Accepted: 04/11/2019] [Indexed: 01/07/2023]
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43
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Shah TV, Vasava DV. A glimpse of biodegradable polymers and their biomedical applications. E-POLYMERS 2019. [DOI: 10.1515/epoly-2019-0041] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractOver the past two decades, biodegradable polymers (BPs) have been widely used in biomedical applications such as drug carrier, gene delivery, tissue engineering, diagnosis, medical devices, and antibacterial/antifouling biomaterials. This can be attributed to numerous factors such as chemical, mechanical and physiochemical properties of BPs, their improved processibility, functionality and sensitivity towards stimuli. The present review intended to highlight main results of research on advances and improvements in terms of synthesis, physical properties, stimuli response, and/or applicability of biodegradable plastics (BPs) during last two decades, and its biomedical applications. Recent literature relevant to this study has been cited and their developing trends and challenges of BPs have also been discussed.
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Affiliation(s)
- Tejas V. Shah
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat- 380009, India
| | - Dilip V. Vasava
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat- 380009, India
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44
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Zhang J, Zhang X, Li MC, Dong J, Lee S, Cheng HN, Lei T, Wu Q. Cellulose nanocrystal driven microphase separated nanocomposites: Enhanced mechanical performance and nanostructured morphology. Int J Biol Macromol 2019; 130:685-694. [PMID: 30826401 DOI: 10.1016/j.ijbiomac.2019.02.159] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/02/2018] [Accepted: 02/27/2019] [Indexed: 12/01/2022]
Abstract
The interest in the modification of cellulose nanocrystals (CNCs) lies in the potential to homogenously disperse CNCs in hydrophobic polymer matrices and to promote interfacial adhesion. In this work, poly(methyl methacrylate) (PMMA) and poly(butyl acrylate) (PBA) were grafted onto CNCs, thereby imparting their hydrophobic traits. The successful grafting modification led to the increased thermal stability of modified CNCs (MCNCs), and the hydrophobic surface modification was integrated with crystalline structure and morphology of CNCs. The nanocomposites with 7 wt% MCNCs/PBA-co-PMMA had an increase in Young's modulus of >25-fold and in tensile strength at about 3 times compared to these of neat PBA-co-PMMA copolymer. In addition, a micro-phase separated morphology (PBA soft domains, and PMMA and CNC hard domains) of MCNCs/PBA-co-PMMA nanocomposites was observed. The large increase in the storage moduli (glass transition temperatures) and organized morphology of MCNCs/PBA-co-PMMA nanocomposites also elucidated the relationship between mechanical properties and micro-phase separated morphology. Therefore, the MCNCs are effective reinforcing agents for the PBA-co-PMMA thermoplastic elastomers, opening up opportunities for their wide-spread applications in polymer composites.
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Affiliation(s)
- Jinlong Zhang
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Xiuqiang Zhang
- Key Biomass Energy Laboratory of Henan Province, Zhengzhou 450008, Henan, China
| | - Mei-Chun Li
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Ju Dong
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Sunyoung Lee
- Department of Forest Products, National Institute of Forest Research, Seoul 130-712, Republic of Korea
| | - H N Cheng
- US Department of Agriculture, Southern Regional Research Center, Agricultural Research Service, 1100 Robert E Lee Blvd, New Orleans, LA 70124, United States
| | - Tingzhou Lei
- Key Biomass Energy Laboratory of Henan Province, Zhengzhou 450008, Henan, China.
| | - Qinglin Wu
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA.
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45
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Arkoumanis PG, Norton IT, Spyropoulos F. Pickering particle and emulsifier co-stabilised emulsions produced via rotating membrane emulsification. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.02.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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46
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Bai L, Greca LG, Xiang W, Lehtonen J, Huan S, Nugroho RWN, Tardy BL, Rojas OJ. Adsorption and Assembly of Cellulosic and Lignin Colloids at Oil/Water Interfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:571-588. [PMID: 30052451 PMCID: PMC6344914 DOI: 10.1021/acs.langmuir.8b01288] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/24/2018] [Indexed: 05/22/2023]
Abstract
The surface chemistry and adsorption behavior of submicrometer cellulosic and lignin particles have drawn wide-ranging interest in the scientific community. Here, we introduce their assembly at fluid/fluid interfaces in Pickering systems and discuss their role in reducing the oil/water interfacial tension, limiting flocculation and coalescence, and endowing given functional properties. We discuss the stabilization of multiphase systems by cellulosic and lignin colloids and the opportunities for their adoption. They can be used alone, as dual components, or in combination with amphiphilic molecules for the design of multiphase systems relevant to household products, paints, coatings, pharmaceutical, foodstuff, and cosmetic formulations. This invited feature article summarizes some of our work and that of colleagues to introduce the readers to this fascinating and topical area.
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Affiliation(s)
- Long Bai
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Luiz G. Greca
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Wenchao Xiang
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Janika Lehtonen
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Siqi Huan
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Robertus Wahyu N. Nugroho
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Blaise L. Tardy
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
| | - Orlando J. Rojas
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
- Department
of Applied Physics, School of Science, Aalto
University, FI-00076 Aalto, Finland
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47
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Limousin E, Ballard N, Asua JM. Synthesis of cellulose nanocrystal armored latex particles for mechanically strong nanocomposite films. Polym Chem 2019. [DOI: 10.1039/c8py01785a] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Mechanically strong films are generated from cellulose nanocrystal armored latex particles synthesized by emulsion polymerization.
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Affiliation(s)
- Elodie Limousin
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Donostia-San Sebastián 20018
- Spain
| | - Nicholas Ballard
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Donostia-San Sebastián 20018
- Spain
| | - José M. Asua
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Donostia-San Sebastián 20018
- Spain
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48
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Jiménez Saelices C, Save M, Capron I. Synthesis of latex stabilized by unmodified cellulose nanocrystals: the effect of monomers on particle size. Polym Chem 2019. [DOI: 10.1039/c8py01575a] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cellulose nanocrystals (CNCs) are sustainable rod-shaped nanoparticles able to adsorb at oil–water interfaces to produce highly stable Pickering emulsions with enhanced mechanical properties.
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Affiliation(s)
| | - Maud Save
- CNRS
- University Pau & Pays Adour
- E2S UPPA
- Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux
- IPREM
| | - Isabelle Capron
- UR 1268 Biopolymères Interactions Assemblages
- INRA
- 44316 Nantes
- France
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49
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Jarvis M, Krishnan V, Mitragotri S. Nanocrystals: A perspective on translational research and clinical studies. Bioeng Transl Med 2019; 4:5-16. [PMID: 30680314 PMCID: PMC6336669 DOI: 10.1002/btm2.10122] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 11/12/2018] [Accepted: 11/16/2018] [Indexed: 12/27/2022] Open
Abstract
Poorly soluble small molecules typically pose translational hurdles owing to their low solubility, low bioavailability, and formulation challenges. Nanocrystallization is a versatile method for salvaging poorly soluble drugs with the added benefit of a carrier-free delivery system. In this review, we provide a comprehensive analysis of nanocrystals with emphasis on their clinical translation. Additionally, the review sheds light on clinically approved nanocrystal drug products as well as those in development.
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Affiliation(s)
- Maria Jarvis
- Dept. of BioengineeringRice UniversityHoustonTX 77030
| | - Vinu Krishnan
- John A. Paulson School of Engineering and Applied SciencesWyss Institute, Harvard UniversityCambridgeMA 02138
| | - Samir Mitragotri
- John A. Paulson School of Engineering and Applied SciencesWyss Institute, Harvard UniversityCambridgeMA 02138
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50
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Thickett SC, Teo GH. Recent advances in colloidal nanocomposite designviaheterogeneous polymerization techniques. Polym Chem 2019. [DOI: 10.1039/c9py00097f] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Recent advances in colloidal nanocomposite design by heterogeneous polymerization are reviewed, with a specific focus on encapsulation and particle-based stabilization for specific materials applications.
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Affiliation(s)
- Stuart C. Thickett
- School of Natural Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
| | - Guo Hui Teo
- School of Natural Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
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